Originally Posted by m4a1mustang

Most of them. The Z's is good. Not saying it's not.

But it doesn't make as much of a difference in handling compared to the SRA on the Mustang as many people are brainwashed to believe.

The primary benefit to me with an IRS is less unsprung weight and the ability to run some rear camber. I'd love to run -1 or -1.5 rear camber on the Mustang.